/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 06:42:42,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 06:42:42,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 06:42:42,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 06:42:42,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 06:42:42,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 06:42:42,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 06:42:42,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 06:42:42,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 06:42:42,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 06:42:42,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 06:42:42,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 06:42:42,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 06:42:42,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 06:42:42,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 06:42:42,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 06:42:42,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 06:42:42,220 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf [2021-07-10 06:42:42,248 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 06:42:42,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 06:42:42,248 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 06:42:42,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 06:42:42,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 06:42:42,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 06:42:42,250 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 06:42:42,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 06:42:42,251 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 06:42:42,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 06:42:42,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 06:42:42,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 06:42:42,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 06:42:42,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 06:42:42,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 06:42:42,252 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 06:42:42,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 06:42:42,252 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 06:42:42,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 06:42:42,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 06:42:42,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 06:42:42,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 06:42:42,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 06:42:42,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 06:42:42,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 06:42:42,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 06:42:42,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 06:42:42,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 06:42:42,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 06:42:42,254 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 06:42:42,254 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 06:42:42,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 06:42:42,254 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 06:42:42,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 06:42:42,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 06:42:42,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 06:42:42,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 06:42:42,509 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 06:42:42,510 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 06:42:42,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq.wvr.bpl [2021-07-10 06:42:42,510 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq.wvr.bpl' [2021-07-10 06:42:42,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 06:42:42,535 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 06:42:42,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 06:42:42,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 06:42:42,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 06:42:42,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:42" (1/1) ... [2021-07-10 06:42:42,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:42" (1/1) ... [2021-07-10 06:42:42,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 06:42:42,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 06:42:42,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 06:42:42,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 06:42:42,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:42" (1/1) ... [2021-07-10 06:42:42,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:42" (1/1) ... [2021-07-10 06:42:42,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:42" (1/1) ... [2021-07-10 06:42:42,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:42" (1/1) ... [2021-07-10 06:42:42,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:42" (1/1) ... [2021-07-10 06:42:42,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:42" (1/1) ... [2021-07-10 06:42:42,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:42" (1/1) ... [2021-07-10 06:42:42,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 06:42:42,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 06:42:42,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 06:42:42,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 06:42:42,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 06:42:42,615 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 06:42:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 06:42:42,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 06:42:42,615 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 06:42:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 06:42:42,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 06:42:42,615 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 06:42:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 06:42:42,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 06:42:42,616 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 06:42:42,823 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 06:42:42,824 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 06:42:42,825 INFO L202 PluginConnector]: Adding new model inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:42:42 BoogieIcfgContainer [2021-07-10 06:42:42,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 06:42:42,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 06:42:42,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 06:42:42,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 06:42:42,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:42:42" (1/2) ... [2021-07-10 06:42:42,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df87359 and model type inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:42:42, skipping insertion in model container [2021-07-10 06:42:42,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:42:42" (2/2) ... [2021-07-10 06:42:42,830 INFO L111 eAbstractionObserver]: Analyzing ICFG inc-subseq.wvr.bpl [2021-07-10 06:42:42,834 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 06:42:42,834 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 06:42:42,834 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 06:42:42,834 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 06:42:42,853 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 06:42:42,868 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 06:42:42,943 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 06:42:42,943 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 06:42:42,943 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 06:42:42,943 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 06:42:42,944 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 06:42:42,944 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 06:42:42,944 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 06:42:42,944 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 06:42:43,089 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:42:43,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:42:43,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1915583138, now seen corresponding path program 1 times [2021-07-10 06:42:43,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:42:43,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499273081] [2021-07-10 06:42:43,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:42:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:42:43,186 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:42:43,186 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:42:43,187 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499273081] [2021-07-10 06:42:43,187 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499273081] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 06:42:43,187 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 06:42:43,187 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 06:42:43,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471388935] [2021-07-10 06:42:43,190 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 06:42:43,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:42:43,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 06:42:43,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 06:42:43,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:43,199 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:42:43,200 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:42:43,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:43,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:43,224 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 06:42:43,225 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:42:43,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:42:43,225 INFO L82 PathProgramCache]: Analyzing trace with hash -734683570, now seen corresponding path program 2 times [2021-07-10 06:42:43,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:42:43,225 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628764326] [2021-07-10 06:42:43,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:42:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:42:43,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:42:43,350 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:42:43,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628764326] [2021-07-10 06:42:43,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628764326] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:42:43,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473590220] [2021-07-10 06:42:43,350 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:42:43,383 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:42:43,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:42:43,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 06:42:43,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:42:43,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-10 06:42:43,550 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:42:43,554 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:42:43,556 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:42:43,556 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7 [2021-07-10 06:42:43,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 06:42:43,580 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:42:43,586 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:42:43,588 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:42:43,588 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2021-07-10 06:42:43,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:42:43,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473590220] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:42:43,612 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:42:43,612 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2021-07-10 06:42:43,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424231618] [2021-07-10 06:42:43,613 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 06:42:43,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:42:43,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 06:42:43,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-07-10 06:42:43,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:43,614 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:42:43,614 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:42:43,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:43,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:43,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:43,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:42:43,926 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:42:43,927 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:42:43,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:42:43,927 INFO L82 PathProgramCache]: Analyzing trace with hash 846702139, now seen corresponding path program 3 times [2021-07-10 06:42:43,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:42:43,927 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406474783] [2021-07-10 06:42:43,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:42:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:42:44,159 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:42:44,159 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:42:44,159 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406474783] [2021-07-10 06:42:44,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406474783] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:42:44,160 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679635454] [2021-07-10 06:42:44,160 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:42:44,188 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 06:42:44,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:42:44,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 06:42:44,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:42:44,391 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:42:44,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 27 [2021-07-10 06:42:44,404 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:42:44,409 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:42:44,410 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:42:44,410 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:16 [2021-07-10 06:42:44,596 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:42:44,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 38 [2021-07-10 06:42:44,656 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 06:42:44,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:42:44,681 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:42:44,681 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:21 [2021-07-10 06:42:44,768 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:42:44,768 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679635454] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:42:44,768 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:42:44,768 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 27 [2021-07-10 06:42:44,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317447405] [2021-07-10 06:42:44,770 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 06:42:44,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:42:44,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 06:42:44,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=624, Unknown=0, NotChecked=0, Total=756 [2021-07-10 06:42:44,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:44,774 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:42:44,774 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.0357142857142856) internal successors, (57), 27 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:42:44,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:44,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:42:44,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:45,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:45,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:42:45,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:42:45,880 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:42:45,881 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:42:45,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:42:45,881 INFO L82 PathProgramCache]: Analyzing trace with hash 918468463, now seen corresponding path program 1 times [2021-07-10 06:42:45,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:42:45,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716793891] [2021-07-10 06:42:45,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:42:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:42:45,933 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 25 proven. 26 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-10 06:42:45,933 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:42:45,933 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716793891] [2021-07-10 06:42:45,933 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716793891] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:42:45,933 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193285739] [2021-07-10 06:42:45,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:42:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:42:45,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 06:42:45,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:42:46,046 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 37 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-10 06:42:46,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193285739] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:42:46,047 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:42:46,047 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-10 06:42:46,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077940635] [2021-07-10 06:42:46,048 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 06:42:46,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:42:46,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 06:42:46,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-07-10 06:42:46,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:46,048 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:42:46,049 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:42:46,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:46,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:42:46,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:42:46,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:46,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:46,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:42:46,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:42:46,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:42:46,318 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:42:46,319 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:42:46,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:42:46,319 INFO L82 PathProgramCache]: Analyzing trace with hash 192214836, now seen corresponding path program 2 times [2021-07-10 06:42:46,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:42:46,319 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566743073] [2021-07-10 06:42:46,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:42:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:42:47,065 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-10 06:42:47,065 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:42:47,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566743073] [2021-07-10 06:42:47,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566743073] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:42:47,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639441087] [2021-07-10 06:42:47,066 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:42:47,103 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:42:47,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:42:47,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 72 conjunts are in the unsatisfiable core [2021-07-10 06:42:47,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:42:49,089 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:42:49,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 90 treesize of output 178 [2021-07-10 06:42:49,115 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:42:49,278 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 94 [2021-07-10 06:42:49,278 INFO L628 ElimStorePlain]: treesize reduction 230, result has 56.4 percent of original size [2021-07-10 06:42:49,344 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:42:49,345 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:108, output treesize:74 [2021-07-10 06:42:49,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:49,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:49,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:49,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:49,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:49,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:49,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:49,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:49,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:49,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:49,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:49,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:49,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:49,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:49,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:49,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:49,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:49,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:49,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:49,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:49,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:42:49,925 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:42:49,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 66 treesize of output 80 [2021-07-10 06:42:49,965 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 06:42:49,977 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:42:49,984 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:42:49,984 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:85, output treesize:17 [2021-07-10 06:42:50,069 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 13 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:42:50,070 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639441087] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:42:50,070 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:42:50,070 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 39] total 66 [2021-07-10 06:42:50,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254471048] [2021-07-10 06:42:50,071 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-07-10 06:42:50,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:42:50,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-07-10 06:42:50,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=477, Invalid=3945, Unknown=0, NotChecked=0, Total=4422 [2021-07-10 06:42:50,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:50,073 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:42:50,073 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 1.8208955223880596) internal successors, (122), 66 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:42:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:42:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:42:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:42:50,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:51,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:51,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:42:51,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:42:51,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:42:51,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:42:51,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-10 06:42:51,501 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:42:51,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:42:51,501 INFO L82 PathProgramCache]: Analyzing trace with hash 46782468, now seen corresponding path program 3 times [2021-07-10 06:42:51,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:42:51,501 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255288898] [2021-07-10 06:42:51,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:42:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:42:51,578 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 84 proven. 87 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-07-10 06:42:51,579 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:42:51,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255288898] [2021-07-10 06:42:51,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255288898] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:42:51,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584533976] [2021-07-10 06:42:51,579 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:42:51,624 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-10 06:42:51,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:42:51,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 06:42:51,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:42:51,725 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 105 proven. 66 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-07-10 06:42:51,726 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584533976] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:42:51,726 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:42:51,726 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-10 06:42:51,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125072884] [2021-07-10 06:42:51,727 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 06:42:51,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:42:51,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 06:42:51,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-07-10 06:42:51,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:51,727 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:42:51,727 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:42:51,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:51,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:42:51,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:42:51,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:42:51,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:42:51,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:51,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:51,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:42:51,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:42:51,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:42:51,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:42:51,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:42:51,980 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:42:51,981 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:42:51,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:42:51,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1202837030, now seen corresponding path program 4 times [2021-07-10 06:42:51,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:42:51,981 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989933135] [2021-07-10 06:42:51,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:42:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:42:53,052 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-10 06:42:53,052 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:42:53,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989933135] [2021-07-10 06:42:53,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989933135] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:42:53,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323057805] [2021-07-10 06:42:53,052 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:42:53,093 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 06:42:53,093 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:42:53,094 WARN L261 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 95 conjunts are in the unsatisfiable core [2021-07-10 06:42:53,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:43:09,334 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-07-10 06:43:26,795 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-10 06:43:26,961 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-10 06:43:26,962 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:43:26,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 122 treesize of output 302 [2021-07-10 06:43:27,036 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:27,548 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 165 [2021-07-10 06:43:27,552 INFO L628 ElimStorePlain]: treesize reduction 364, result has 61.4 percent of original size [2021-07-10 06:43:27,750 INFO L550 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-10 06:43:27,750 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:140, output treesize:143 [2021-07-10 06:43:29,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:43:29,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:43:29,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:29,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 28 [2021-07-10 06:43:29,609 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:29,614 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:43:29,615 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:43:29,615 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:101, output treesize:5 [2021-07-10 06:43:29,626 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 18 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:43:29,626 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323057805] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:43:29,626 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:43:29,627 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 50] total 85 [2021-07-10 06:43:29,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875796158] [2021-07-10 06:43:29,627 INFO L462 AbstractCegarLoop]: Interpolant automaton has 86 states [2021-07-10 06:43:29,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:43:29,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-07-10 06:43:29,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=589, Invalid=6719, Unknown=2, NotChecked=0, Total=7310 [2021-07-10 06:43:29,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:43:29,629 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:43:29,630 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 86 states, 86 states have (on average 1.744186046511628) internal successors, (150), 85 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:43:29,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:43:29,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:43:29,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:43:29,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:43:29,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:43:29,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:43:29,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:43:31,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:43:31,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:43:31,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:43:31,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:43:31,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:43:31,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:43:31,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:43:31,392 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2021-07-10 06:43:31,393 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:43:31,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:43:31,393 INFO L82 PathProgramCache]: Analyzing trace with hash 848983722, now seen corresponding path program 5 times [2021-07-10 06:43:31,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:43:31,393 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790221356] [2021-07-10 06:43:31,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:43:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:43:31,444 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 150 proven. 149 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-07-10 06:43:31,444 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:43:31,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790221356] [2021-07-10 06:43:31,444 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790221356] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:43:31,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921165998] [2021-07-10 06:43:31,444 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:43:31,491 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-07-10 06:43:31,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:43:31,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 06:43:31,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:43:31,615 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 177 proven. 122 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-07-10 06:43:31,615 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921165998] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:43:31,615 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:43:31,615 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-10 06:43:31,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555166040] [2021-07-10 06:43:31,616 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 06:43:31,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:43:31,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 06:43:31,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-07-10 06:43:31,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:43:31,616 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:43:31,616 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:43:31,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:43:31,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:43:31,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:43:31,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:43:31,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:43:31,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:43:31,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:43:31,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:43:31,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:43:31,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:43:31,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:43:31,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:43:31,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:43:31,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:43:31,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:43:31,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:43:31,881 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable239 [2021-07-10 06:43:31,881 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:43:31,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:43:31,881 INFO L82 PathProgramCache]: Analyzing trace with hash 2136612212, now seen corresponding path program 6 times [2021-07-10 06:43:31,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:43:31,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025833039] [2021-07-10 06:43:31,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:43:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:43:33,417 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-07-10 06:43:33,417 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:43:33,417 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025833039] [2021-07-10 06:43:33,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025833039] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:43:33,417 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603037467] [2021-07-10 06:43:33,417 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:43:33,506 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-07-10 06:43:33,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:43:33,508 WARN L261 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 130 conjunts are in the unsatisfiable core [2021-07-10 06:43:33,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:43:38,870 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2021-07-10 06:43:38,871 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:43:38,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 35 case distinctions, treesize of input 154 treesize of output 378 [2021-07-10 06:43:38,986 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:39,697 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 193 [2021-07-10 06:43:39,697 INFO L628 ElimStorePlain]: treesize reduction 618, result has 53.6 percent of original size [2021-07-10 06:43:40,346 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:43:40,346 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:162, output treesize:155 [2021-07-10 06:43:42,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,314 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:43:42,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 57 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 9 case distinctions, treesize of input 112 treesize of output 132 [2021-07-10 06:43:42,517 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-07-10 06:43:42,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,648 INFO L244 Elim1Store]: Index analysis took 126 ms [2021-07-10 06:43:42,696 INFO L354 Elim1Store]: treesize reduction 78, result has 42.2 percent of original size [2021-07-10 06:43:42,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 12 case distinctions, treesize of input 123 treesize of output 93 [2021-07-10 06:43:42,712 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:42,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,844 INFO L244 Elim1Store]: Index analysis took 127 ms [2021-07-10 06:43:42,890 INFO L354 Elim1Store]: treesize reduction 40, result has 60.4 percent of original size [2021-07-10 06:43:42,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 69 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 9 case distinctions, treesize of input 123 treesize of output 97 [2021-07-10 06:43:42,914 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:42,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:42,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,068 INFO L244 Elim1Store]: Index analysis took 150 ms [2021-07-10 06:43:43,075 INFO L354 Elim1Store]: treesize reduction 148, result has 0.7 percent of original size [2021-07-10 06:43:43,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 13 case distinctions, treesize of input 123 treesize of output 1 [2021-07-10 06:43:43,076 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:43,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:43:43,159 INFO L354 Elim1Store]: treesize reduction 124, result has 0.8 percent of original size [2021-07-10 06:43:43,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 80 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 11 case distinctions, treesize of input 123 treesize of output 1 [2021-07-10 06:43:43,161 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 06:43:43,218 INFO L628 ElimStorePlain]: treesize reduction 148, result has 30.5 percent of original size [2021-07-10 06:43:43,220 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 06:43:43,220 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:646, output treesize:47 [2021-07-10 06:43:43,402 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 46 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:43:43,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603037467] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:43:43,402 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:43:43,402 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 68] total 118 [2021-07-10 06:43:43,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616874215] [2021-07-10 06:43:43,403 INFO L462 AbstractCegarLoop]: Interpolant automaton has 119 states [2021-07-10 06:43:43,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:43:43,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2021-07-10 06:43:43,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=809, Invalid=13233, Unknown=0, NotChecked=0, Total=14042 [2021-07-10 06:43:43,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:43:43,408 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:43:43,409 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 119 states, 119 states have (on average 1.596638655462185) internal successors, (190), 118 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:43:43,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:43:43,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:43:43,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:43:43,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:43:43,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:43:43,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:43:43,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:43:43,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:43:43,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:43:47,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:43:47,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:43:47,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:43:47,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:43:47,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:43:47,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:43:47,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:43:47,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:43:47,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 06:43:47,836 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:43:47,837 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:43:47,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:43:47,837 INFO L82 PathProgramCache]: Analyzing trace with hash 773510724, now seen corresponding path program 7 times [2021-07-10 06:43:47,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:43:47,837 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911581541] [2021-07-10 06:43:47,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:43:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:43:47,898 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 235 proven. 228 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-07-10 06:43:47,898 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:43:47,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911581541] [2021-07-10 06:43:47,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911581541] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:43:47,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474134205] [2021-07-10 06:43:47,898 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:43:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:43:47,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-10 06:43:47,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:43:48,088 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 268 proven. 195 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-07-10 06:43:48,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474134205] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:43:48,088 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:43:48,089 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-10 06:43:48,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108996695] [2021-07-10 06:43:48,089 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 06:43:48,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:43:48,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 06:43:48,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-07-10 06:43:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:43:48,089 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:43:48,090 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 9 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:43:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:43:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:43:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:43:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:43:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:43:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:43:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:43:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:43:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 06:43:48,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:43:48,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:43:48,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:43:48,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:43:48,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:43:48,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:43:48,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:43:48,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:43:48,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:43:48,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 06:43:48,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:43:48,351 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable880,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:43:48,351 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:43:48,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:43:48,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1647710862, now seen corresponding path program 8 times [2021-07-10 06:43:48,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:43:48,352 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759548618] [2021-07-10 06:43:48,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:43:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:43:50,319 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 0 proven. 629 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-07-10 06:43:50,319 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:43:50,320 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759548618] [2021-07-10 06:43:50,320 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759548618] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:43:50,320 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454207103] [2021-07-10 06:43:50,320 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:43:50,382 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:43:50,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:43:50,386 WARN L261 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 142 conjunts are in the unsatisfiable core [2021-07-10 06:43:50,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:44:17,252 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-07-10 06:44:44,213 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-10 06:44:57,095 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-10 06:44:57,096 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-10 06:44:57,297 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable881 [2021-07-10 06:44:57,297 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:934) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 46 more [2021-07-10 06:44:57,302 INFO L168 Benchmark]: Toolchain (without parser) took 134766.37 ms. Allocated memory was 191.9 MB in the beginning and 459.3 MB in the end (delta: 267.4 MB). Free memory was 170.9 MB in the beginning and 294.0 MB in the end (delta: -123.2 MB). Peak memory consumption was 145.1 MB. Max. memory is 8.0 GB. [2021-07-10 06:44:57,302 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 191.9 MB. Free memory is still 172.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 06:44:57,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.22 ms. Allocated memory is still 191.9 MB. Free memory was 170.9 MB in the beginning and 169.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 06:44:57,302 INFO L168 Benchmark]: Boogie Preprocessor took 9.78 ms. Allocated memory is still 191.9 MB. Free memory was 169.5 MB in the beginning and 168.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 06:44:57,302 INFO L168 Benchmark]: RCFGBuilder took 262.22 ms. Allocated memory is still 191.9 MB. Free memory was 168.4 MB in the beginning and 155.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-10 06:44:57,302 INFO L168 Benchmark]: TraceAbstraction took 134474.84 ms. Allocated memory was 191.9 MB in the beginning and 459.3 MB in the end (delta: 267.4 MB). Free memory was 155.0 MB in the beginning and 294.0 MB in the end (delta: -139.0 MB). Peak memory consumption was 129.4 MB. Max. memory is 8.0 GB. [2021-07-10 06:44:57,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 191.9 MB. Free memory is still 172.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 16.22 ms. Allocated memory is still 191.9 MB. Free memory was 170.9 MB in the beginning and 169.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 9.78 ms. Allocated memory is still 191.9 MB. Free memory was 169.5 MB in the beginning and 168.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 262.22 ms. Allocated memory is still 191.9 MB. Free memory was 168.4 MB in the beginning and 155.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 134474.84 ms. Allocated memory was 191.9 MB in the beginning and 459.3 MB in the end (delta: 267.4 MB). Free memory was 155.0 MB in the beginning and 294.0 MB in the end (delta: -139.0 MB). Peak memory consumption was 129.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...